Question

Corrija as sentenças falsas:

a) 17-19<-17-(-19)

b)-6-15>5-(+15)

Ajudem,por favor ! (:

Answer 1

a) 17-19<-17-(-19)= -2<2 (v)
b)-6-15>5-(+15)  =-21>10(f)
Corrigindo a "b" -->>  -6-15<5-(+15)

Espero ter ajudado :)

Answer 2

a)
$17-19<-17-(-19) \\ \\ -2<-17+19 \\ \\ -2<+2~~~V$

b)
$-6-15>5-(+15) \\ \\ -21>5-15 \\ \\ -21>-10~~~F$

corrigindo
$-21<-10$